275/55R19
Overall diameter
30.91″
785 mm
Sidewall height
5.95″
151.3 mm
Tread width
275 mm
10.8″
Circumference
97.10″
8.1 ft
Revs per mile
652
405 per km
Wheel diameter
19″
aspect ratio 55%
Cross-section
- Overall diameter
- 30.91″
- Sidewall (each side)
- 5.95″
- Wheel
- 19″
275/55R19 compared with other sizes
All 25 practical swaps involving 275/55R19 — diameter change, speedometer impact and a fit verdict for each.
275/55R19 → 265/50R19
265/50R19
Diameter +5.0% · Not recommended
275/55R19 → 275/65R17
275/65R17
Diameter −0.5% · Good fit
275/55R19 → 275/60R18
275/60R18
Diameter −0.3% · Good fit
275/55R19 → 245/55R19
245/55R19
Diameter +4.4% · Marginal fit — proceed with care
275/55R19 → 255/60R19
255/60R19
Diameter −0.4% · Good fit
275/55R19 → 265/55R19
265/55R19
Diameter +1.4% · Good fit
255/60R19 → 275/55R19
255/60R19
Diameter +0.4% · Good fit
265/55R19 → 275/55R19
265/55R19
Diameter −1.4% · Good fit
275/60R18 → 275/55R19
275/60R18
Diameter +0.3% · Good fit
245/55R19 → 275/55R19
245/55R19
Diameter −4.2% · Marginal fit — proceed with care
275/45R21 → 275/55R19
275/45R21
Diameter −0.5% · Good fit
275/65R17 → 275/55R19
275/65R17
Diameter +0.5% · Good fit
265/50R19 → 275/55R19
265/50R19
Diameter −4.8% · Marginal fit — proceed with care
255/55R20 → 275/55R19
255/55R20
Diameter +0.4% · Good fit
255/65R18 → 275/55R19
255/65R18
Diameter +0.5% · Good fit
255/70R17 → 275/55R19
255/70R17
Diameter +0.5% · Good fit
285/45R21 → 275/55R19
285/45R21
Diameter +0.6% · Good fit
285/50R20 → 275/55R19
285/50R20
Diameter +1.0% · Good fit
265/65R17 → 275/55R19
265/65R17
Diameter −1.1% · Good fit
245/65R18 → 275/55R19
245/65R18
Diameter −1.2% · Good fit
275/55R19 → 265/45R21
265/45R21
Diameter +1.7% · Good fit
275/55R19 → 275/45R21
275/45R21
Diameter +0.5% · Good fit
275/55R19 → 275/50R21
275/50R21
Diameter −2.9% · Good fit
275/55R19 → 285/45R21
285/45R21
Diameter −0.6% · Good fit
275/55R19 → 245/40R19
245/40R19
Diameter +15.7% · Not recommended
Common questions
- What is the overall diameter of a 275/55R19 tire?
- A 275/55R19 tire is about 30.91″ (785 mm) in overall diameter, with a sidewall height of 151.3 mm and a circumference of 97.10″.
- How many revolutions per mile does a 275/55R19 tire turn?
- A 275/55R19 turns roughly 652 revolutions per mile (405 per kilometre). This is the number that determines speedometer and odometer accuracy when you change tire size.
- What do the numbers in 275/55R19 mean?
- 275 is the tread width in millimetres, 55 is the aspect ratio — the sidewall height as a percentage of the tread width — and 19 is the wheel diameter in inches. So the sidewall is 275 × 55% = 151.3 mm tall.